Process Equipment and Plant Design
Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Horton sphere is used for the storage of gases and volatile liquid at a moderate pressure of 1 to 10 kg/cm²
Horton sphere is used for the storage of liquid at sub-zero temperature at very high pressure upto 200 kg/cm²
Thickness of spherical shell is half that of the cylinderical vessel under same operating pressure condition. Besides, the ratio of surface area to volume is less for sphere than any other shape ; hen
Diameter of Horton sphere is normally 6 to 25 metres and it is supported by 6 to 12 nos. tubular or rolled section column

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator

Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle
Both B & C
Employs high velocity, high heat transfer rate and less heating surface requirement
Is economical in operation

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than __________ of the head.

3 times the thickness
Either A or B, whichever is larger
Either A or B, whichever is smaller
6% of I.D.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Process Equipment and Plant Design